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  5. The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I

12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank MCQs - The p-Block Elements

  • question_answer
    Ammonia reacts with boron trifluoride to form an adduct. The bonding between \[N{{H}_{3}}\]and \[B{{F}_{3}}\]is

    A) covalent bonding

    B) coordinate bonding

    C) hydrogen bonding

    D) ionic bonding.

    Correct Answer: B

    Solution :

    \[N{{H}_{3}}\] has a lone pair of electrons and \[B{{F}_{3}}\]is electron deficient hence coordinate bond is formed between the two to form an adduct. \[{{H}_{3}}N\to B{{F}_{3}}\]


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